Biology Unit 1

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

What is the highest magnification that can be obtained with a microscope that has 10x eyepiece with 10x and 43x objectives?

430x

control group

In an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment.

which group of measurement units is correctly arranged in order of increasing size?

Micrometer, millimeter, centimeter, meter

synthesis

Putting together different entities to make a whole which is new and different.

In an ameba, materials are taken from its environment and then moved throughout its cytoplasm. These processes are known as

absorption and circulation

The structure of a cells nucleus would be seen in great detail by use of

an electron microscope

A characteristic of all known living things is that they...

carry on metabolic activities

To separate leaf pigments, a biologist should use

chromatography

which piece of laboratory equipment would be used to obtain the most accurate measure of the volume of glucose solution?

graduated cylinder

If a paramecium loses the ability to move its cilia, it will have an immediate difficulty in performing the life activities of...

locomotion and ingestion

which instrument could best be used to transfer a chloroplast from an elodea cell into a root cell of a bean plant?

microdissection apparatus

locomotion

movement or the ability to move from one place to another

Control of all physiological activities of an organism is necessary to maintain that organism's stability in it's environment. This life activity is known as

regulation

In an organism, the coordination of the activities that maintain homeostasis is in a constantly changing environment is a process known as...

regulation

organisms combine simple molecules to form complex molecules by the process of

synthesis

chromatography

the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates.

An instrument used to separate cell parts according to density is the...

ultracentrifuge


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